CVE-2025-8889
Compress Then Upload < 1.0.5 - Admin+ Arbitrary File Upload
- Published
- Sep 9, 2025
- Updated
- Nov 13, 2025
- Assigning CNA
- WPScan
- Evidence observed
- Aug 8, 2026
Compress Then Upload < 1.0.5 - Admin+ Arbitrary File Upload
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:NLow · next 30 days
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
The Compress & Upload WordPress plugin before 1.0.5 does not properly validate uploaded files, allowing high privilege users such as admin to upload arbitrary files on the server even when they should not be allowed to (for example in multisite setup)
Proof-of-concept exploit for CVE-2025-8889: arbitrary file upload to RCE in WordPress Compress Then Upload plugin 1.0.3. Includes step-by-step PoC using Burp Suite to bypass MIME validation and execute PHP code.
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